WebGazer.js - Eye tracking on the browser
SPIN Safe Browser - SPIN Safe Browser is a free web filter that blocks porn and inappropriate content to provide a safe internet surfing experience for kids.
FOVE - An eye tracking virtual reality headset (pre-launch)
CurrentWare BrowseControl - BrowseControl web filtering software blocks websites based on URLs and categories. Policies can be customized for each user, department, or OU. Includes other features such as an app blocker, port filter, and download/upload blocker.
Jabberwocky - Communicate through text to speech by moving your head
Boomerang Parental Control - Boomerang Parental Control helps parents start conversations with their children's technology use: App Controls, Text Monitoring, Time Limits and more.